floor spring TD-730 sus202,sus304/matt,polished - TD-730

floor spring

→ Inside pressure reducing valie:using to prevent the destruction of the floor spring or oil leakage on occasions that the door is closed by strong pressure or wind force .

→ General design ,suitable for left or right hand to open the door in single and both sides.

→ Use low temprature frostbite hydraulic oil .ensuring the normal door-closing speed when the temperature is forty degree below zero degree.

→ For cement container, 5mm adjustable in length and width , and 2 degree vertically adjustable when the calibration position is zero.

→ Closing force : 28Nm

→ Suitable for maximun wide door leaf :1010*2200 mm

→ The macimun bearing weight : 105- 150kg

→ Opening angle : 90⁰/115⁰

→ The products have passed national QB/T 3884-99 Standard